Security readout for executives and security teams
Plain-English summary
This CVE describes an old Internet Explorer issue where a remote attacker could read files by abusing how data was redirected to a JavaScript applet. The source bundle does not identify affected versions or a CVSS score, so exposure depends on any remaining legacy Internet Explorer use.
Executive priority
Treat as a legacy-technology risk. It is not evidence of a current emergency, but any remaining Internet Explorer dependency should be reviewed because the stated impact is file disclosure.
Technical view
The record states Internet Explorer allowed remote file reading through redirected data reaching a JavaScript applet. No CWE, CVSS vector, affected version list, or confirmed exploit activity is provided. Microsoft bulletin MS99-043 is the named vendor advisory.
Likely exposure
Likely exposure is limited to environments that still operate legacy Internet Explorer versions relevant to MS99-043. The bundle does not provide exact versions, platforms, or CPEs.
Exploitation context
No KEV listing is present, and the supplied sources do not state active exploitation. The described impact is unauthorized file read from a remote attack context.
Researcher notes
The public bundle is sparse: no affected version range, CVSS, CWE, or detailed remediation text is included. Use MS99-043 as the authoritative vendor starting point and avoid assuming modern Microsoft browser impact.
Mitigation direction
- Review Microsoft MS99-043 for applicable vendor guidance.
- Identify and retire remaining legacy Internet Explorer dependencies.
- Restrict untrusted browsing from systems requiring legacy Internet Explorer.
- Apply documented Microsoft updates or workarounds if MS99-043 applies.
Validation and detection
- Inventory systems that still launch Internet Explorer or IE compatibility components.
- Compare discovered legacy browser versions against Microsoft MS99-043.
- Confirm endpoint baselines prevent routine browsing with legacy Internet Explorer.
- Document any business exceptions requiring compensating controls.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-1999-0793 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- MS99-043CVE reference · vendor-advisory, x_refsource_MS
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.